Understand the serie! 100 frihbucks!

spinout

3,5,7,9,2,X

What number is X ????? -> explain n get 100frih bucks...

Notice: The serie goes on infinitely and the numbers can be negative and will go negative at a point.

Bonus: When does it go negative? Point out the first number in the serie n get another 50 frihbucks!

Ok, any nutty math-freaks out there??? Smile

)

It is a cheapskate nut to crack so come on!

Ghost Rider103

X = 4.

the pattern would be 3,5,7,9,2,4,6,8,-3,-5 and so on.

Correct? Probably not but hey it was worth a shot!

spinout

That was really close!!!!
Sorry X is not 4.

U got 10 frih for trying

Ghost Rider103

Oh well, at least a tried!

Thanks for the 10frih$ even though I was incorrect.

ocalhoun

spinout

Gr8 - correct!
It was easy - I told U!
U got frih comming.

ocalhoun

^It wasn't easy!
It took me nearly an hour, spread over two days, to figure it out!

^.^
I really didn't think I had the right one though... I figured it was too complicated to be the real pattern.

spinout

Well my associate at work took 2 minutes to figure it out... But he does series all the time.

http://www.frihost.com/forums/vt-78492.html
have U tried this one????? My workmate didn't even come close!

ocalhoun

^I think there's not really enough there to give enough information though. The only way I can know that x decrements by one, instead of, say, being multiplied by 2/3 is because you said it would go negative.

spinout

I told the negative trend by a reason! Laughing

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